enable_language(C CXX OBJC OBJCXX)
message(STATUS "CMAKE_C_COMPILER_APPLE_SYSROOT='${CMAKE_C_COMPILER_APPLE_SYSROOT}'")
message(STATUS "CMAKE_CXX_COMPILER_APPLE_SYSROOT='${CMAKE_CXX_COMPILER_APPLE_SYSROOT}'")
message(STATUS "CMAKE_OBJC_COMPILER_APPLE_SYSROOT='${CMAKE_OBJC_COMPILER_APPLE_SYSROOT}'")
message(STATUS "CMAKE_OBJCXX_COMPILER_APPLE_SYSROOT='${CMAKE_OBJCXX_COMPILER_APPLE_SYSROOT}'")
